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KN4MUU

Available2x3District 4

No competing applications on record.

License HolderHOWELL, WILLIAM K

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationMEMPHIS, TN

Grant DateJun 4, 2018

Expiration DateJun 4, 2028

Cancellation DateJun 22, 2018

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KN4MUU

Available2x3District 4

No competing applications on record.

License HolderHOWELL, WILLIAM K

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationMEMPHIS, TN

Grant DateJun 4, 2018

Expiration DateJun 4, 2028

Cancellation DateJun 22, 2018

Available for ApplicationsJun 23, 2020

KN4MUU is a 2x3 format amateur radio callsign. It is currently registered to HOWELL, WILLIAM K in MEMPHIS, TN. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

-.- -. ....- -- ..- ..-

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo November Four Mike Uniform Uniform

Readability: 6.5/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledJun 22, 2018
System-Generated GrantJun 4, 2018
License IssuedJun 4, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

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FCC data as of Sep 12, 2026

Is KN4MUU Available? FCC Vanity Status & Watchlist